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Crystal structure of the wild-type Thermus thermophilus 70S ribosome in complex with Api antimicrobial peptide, mRNA, A-site release factor 1, and deacylated P-site and E-site tRNAphe at 2.85A resolution
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6XHW 6XHW
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION 7.6 292 0.1-0.2 M Arginine-HCl, 0.1M Tris-HCl pH 7.6, 2.5% PEG-20K, 7-12% MPD, 0.5 mM BME
Crystal Properties Matthews coefficient Solvent content 2.97 63.04
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 210.35 α = 90 b = 451.32 β = 90 c = 625.61 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 PIXEL DECTRIS EIGER X 16M S/N E-32-0100 2024-07-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS-II BEAMLINE 17-ID-2 0.979338 NSLS-II 17-ID-2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) CC (Half) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 2.85 102.43 99.1 0.295 0.324 0.983 6.42 5.959 1355591 47.253
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.85 2.92 98.9 1.743 1.906 0.222 1.02 6.085
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 6XHW 2.85 102.43 1.34 1355323 68024 99.08 0.2207 0.2182 0.2195 0.2678 0.2667 54.5616
Temperature Factor Modeling Anisotropic B[1][1] Anisotropic B[1][2] Anisotropic B[1][3] Anisotropic B[2][2] Anisotropic B[2][3] Anisotropic B[3][3]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 16.986 f_angle_d 0.807 f_chiral_restr 0.04 f_plane_restr 0.005 f_bond_d 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 95250 Nucleic Acid Atoms 198853 Solvent Atoms 2893 Heterogen Atoms 2020
Software Software Software Name Purpose PHENIX refinement XDS data reduction XSCALE data scaling PHASER phasing Coot model building PDB_EXTRACT data extraction